Refactor GitHub Actions CI workflow (#26)

* Refactor GitHub Actions CI workflow

* Test against Crystal 0.36.1

.github/workflows/ci.yml

@@ -1,57 +1,45 @@
-name: ExceptionPage CI
+name: CI
 
 on:
+  pull_request:
   push:
     branches: [master]
-  pull_request:
-    branches: "*"
+  schedule:
+    - cron: "0 3 * * 1" # Every monday at 3 AM
 
 jobs:
-  check_format:
+  test:
     strategy:
       fail-fast: false
       matrix:
-        crystal_version:
-          - 0.36.1
-          - 1.0.0
-        experimental:
-          - false
-    runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental }}
-    container: crystallang/crystal:${{ matrix.crystal_version }}
-    steps:
-      - uses: actions/[email protected]
-      - name: Install shards
-        run: shards install
-      - name: Format
-        run: crystal tool format --check
-      - name: Lint
-        run: ./bin/ameba
+        os: [ubuntu-latest]
+        crystal: [0.36.1, latest, nightly]
+    runs-on: ${{ matrix.os }}
 
-  specs:
-    strategy:
-      fail-fast: false
-      matrix:
-        crystal_version:
-          - 0.36.1
-          - 1.0.0
-        experimental:
-          - false
-    runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental }}
-    container: crystallang/crystal:${{ matrix.crystal_version }}
     steps:
-      - uses: actions/[email protected]
-      - name: Install Chromedriver
-        run: |
-          apt-get update
-          apt-get -yqq install chromium-chromedriver
-      - name: Cache Crystal
-        uses: actions/[email protected]
+      - name: Install Crystal
+        uses: oprypin/install-crystal@v1
         with:
-          path: ~/.cache/crystal
-          key: ${{ runner.os }}-crystal
-      - name: Install shards
+          crystal: ${{ matrix.crystal }}
+
+      - name: Install ChromeDriver
+        run: |
+          sudo apt-get update
+          sudo apt-get -yqq install chromium-chromedriver
+
+      - name: Download source
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
         run: shards install
-      - name: Run tests
+        env:
+          SHARDS_OPTS: --ignore-crystal-version
+
+      - name: Run specs
         run: crystal spec
+
+      - name: Check formatting
+        run: crystal tool format --check
+
+      - name: Run ameba linter
+        run: bin/ameba

README.md

@@ -1,4 +1,4 @@
-# Exception Page
+# Exception Page [![CI](https://github.com/crystal-loot/exception_page/actions/workflows/ci.yml/badge.svg)](https://github.com/crystal-loot/exception_page/actions/workflows/ci.yml)
 
 A library for displaying exceptional exception pages for easier debugging.